Modeling with Trigonometric Functions · Exercise 44
Create a function modeling the described behavior. Then, calculate the desired result using a calculator.
A spring attached to a ceiling is pulled down 21 cm from equilibrium and released. After 6 seconds, the amplitude has decreased to 4 cm. The spring oscillates 20 times each second. Find when the spring first comes between and effectively at rest.
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Precalculus 2e · §7.6 Modeling with Trigonometric Functions · Exercise 44
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